Factor code out of the render tree
<rdar://problem/99644792>
Created attachment 462179 [details] Patch
Created attachment 462180 [details] Patch
Created attachment 462181 [details] Patch
Committed 254229@main (3afb34f466db): <https://commits.webkit.org/254229@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 462181 [details].